//
//
//package com.xf.common.redis.lock;
//
//
//import com.xf.common.redis.lang.CharPool;
//import com.xf.common.redis.lang.spel.ExpressionEvaluator;
//import lombok.RequiredArgsConstructor;
//import org.apache.commons.lang3.StringUtils;
//import org.aspectj.lang.ProceedingJoinPoint;
//import org.aspectj.lang.annotation.Around;
//import org.aspectj.lang.annotation.Aspect;
//import org.aspectj.lang.reflect.MethodSignature;
//import org.springframework.beans.BeansException;
//import org.springframework.context.ApplicationContext;
//import org.springframework.context.ApplicationContextAware;
//import org.springframework.context.expression.AnnotatedElementKey;
//import org.springframework.expression.EvaluationContext;
//import org.springframework.util.Assert;
//
//import java.lang.reflect.Method;
//import java.util.concurrent.TimeUnit;
//
///**
// * redis 分布式锁
// */
//@Aspect
//@RequiredArgsConstructor
//public class RedisLockAspect implements ApplicationContextAware {
//
//    /**
//     * 表达式处理
//     */
//    private static final ExpressionEvaluator EVALUATOR = new ExpressionEvaluator();
//    /**
//     * redis 限流服务
//     */
//    private final RedisLockClient redisLockClient;
//    private ApplicationContext applicationContext;
//
//    /**
//     * AOP 环切 注解 @RedisLock
//     */
//    @Around("@annotation(redisLock)")
//    public Object aroundRedisLock(ProceedingJoinPoint point, RedisLock redisLock) {
//        String lockName = redisLock.value();
//        Assert.hasText(lockName, "@RedisLock value must have length; it must not be null or empty");
//        // el 表达式
//        String lockParam = redisLock.param();
//        // 表达式不为空
//        String lockKey;
//        if (StringUtils.isNotBlank(lockParam)) {
//            String evalAsText = evalLockParam(point, lockParam);
//            lockKey = lockName + CharPool.COLON + evalAsText;
//        } else {
//            lockKey = lockName;
//        }
//	/*	if (redisLock.tenant()){
//            lockKey = lockKey + CharPool.COLON + AuthUtil.getTenantId();
//        }*/
//        LockType lockType = redisLock.type();
//        long waitTime = redisLock.waitTime();
//        long leaseTime = redisLock.leaseTime();
//        TimeUnit timeUnit = redisLock.timeUnit();
//        return redisLockClient.lock(lockKey, lockType, waitTime, leaseTime, timeUnit, point::proceed);
//    }
//
//    /**
//     * 计算参数表达式
//     *
//     * @param point     ProceedingJoinPoint
//     * @param lockParam lockParam
//     * @return 结果
//     */
//    private String evalLockParam(ProceedingJoinPoint point, String lockParam) {
//        MethodSignature ms = (MethodSignature) point.getSignature();
//        Method method = ms.getMethod();
//        Object[] args = point.getArgs();
//        Object target = point.getTarget();
//        Class<?> targetClass = target.getClass();
//        EvaluationContext context = EVALUATOR.createContext(method, args, target, targetClass, applicationContext);
//        AnnotatedElementKey elementKey = new AnnotatedElementKey(method, targetClass);
//        return EVALUATOR.evalAsText(lockParam, elementKey, context);
//    }
//
//    @Override
//    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
//        this.applicationContext = applicationContext;
//    }
//}
